must.

you must wash your hands.

you must water your tree.

you must go to school.

you must close the door.

you must put the litter in the garbage can.

mustn't

you mustn't walk your dog here.

you mustn't walk on grass.

you mustn't ride your bike here.

you mustn't climb the trees.

you mustn't go out in the rain.

Must

1. You must take a shower .

2. You must raise your hand .

3. You must come your hair .

4. You must watch TV

5. You must brush your teeth .

Mustn't

1. You mustn't walk on the grass .

2. You mustn't write here .

3. You mustn't eat my bread .

4. You mustn't watch TV to much .

5. You mustn't eat to much .